I have a 2004 Kia Sedona with about 90,ooo miles on it. All of a sudden it keeps stalling every now and then when I slow down or get ready to turn. I changed the fuel pump because that was what all the repair shops thought it was. Well it didn't help. Has anyone else had this happen to them? Help please!!!!
Your problem sounds like you have a bad crankshaft position sensor. You will not get a trouble code (check engine light). This will cause the vehicle to suddenly stall. You cannot change the idle on this vehicle, or any FI modern vehicle contrary to a previous post. It is controlled by the engine management computer by way of an idle air control circuit on the throttle body.
I did all you have done, I changed the Fuel pump, the sensors, the Crank shaft PS, everything , and nothing worked. I found the problem was the Fuel pressure regulator. I changed it and now my van works wonderful!. the FPR is not monitored by the computer. It is just a valve with an internal Spring, that regulates the fuel pressure. Just change that and good luck! I know your problem will be solved!
I would think that the idle is too low and needs adjustment. Check if the RPM drops when the AC is on or when you try to turn. You may stall because of the added load the engine gets from the power steering or the aircon or when both are running, can be while turning while the AC is on.
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stalling when driving
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